This High Output Single Radiator Fan is part of the High Output Aluminum Shrouded Fans Series designed with popular applications in mind. This assembly measures 18-3/4 inch wide by 17-5/8 inch top to bottom and only 3 inch thick overall to offer an adjustable yet precision fit. The raw aluminum shroud gives the user the freedom to polish, anodize, paint, or simply leave it natural to create a truly custom look for an affordable price. The 17 inch high output two speed fan is one of the best in their line-up offering 2400 CFM when on high to create the most airflow possible in a compact size.